Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra thi dan slippers" » "tran thi dan slippers", "ta thi dan slippers", "tra ghi dan slippers", "tra thi doan slippers", "tra thi lan slippers", "tra thi dai slippers", "tra thi dan slippery", "tra thi dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tra thi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tra thi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra thi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra thi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.